/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
/**
 *
 * @author FBIagent
 *
 */
package net.sf.l2j.gameserver.datatables;

import java.io.File;
import java.util.Scanner;

import javolution.util.FastList;
import javolution.util.FastMap;
import net.sf.l2j.gameserver.model.L2ExtractableItem;
import net.sf.l2j.gameserver.model.L2ExtractableProductItem;

public class ExtractableItemsData {
	// Map<itemid, L2ExtractableItem>
	private FastMap<Integer, L2ExtractableItem> _items;
	private static ExtractableItemsData _instance = null;

	public static ExtractableItemsData getInstance() {
		if (_instance == null)
			_instance = new ExtractableItemsData();
		return _instance;
	}

	public ExtractableItemsData() {
		_items = new FastMap<Integer, L2ExtractableItem>();
		Scanner s;
		try {
			s = new Scanner(new File("./data/extractable_items.csv"));
		} catch (Exception e) {
			System.out
					.println("Extractable items data: Can not find './data/extractable_items.csv'");
			return;
		}
		int lineCount = 0;
		while (s.hasNextLine()) {
			lineCount++;
			String line = s.nextLine();
			if (line.startsWith("#"))
				continue;
			else if (line.equals(""))
				continue;
			String[] lineSplit = line.split(";");
			boolean ok = true;
			int itemID = 0;
			try {
				itemID = Integer.parseInt(lineSplit[0]);
			} catch (Exception e) {
				System.out
						.println("Extractable items data: Error in line "
								+ lineCount
								+ " -> invalid item id or wrong seperator after item id!");
				System.out.println("		" + line);
				ok = false;
			}
			if (!ok)
				continue;
			FastList<L2ExtractableProductItem> product_temp = new FastList<L2ExtractableProductItem>();
			for (int i = 0; i < lineSplit.length - 1; i++) {
				ok = true;
				String[] lineSplit2 = lineSplit[i + 1].split(",");
				if (lineSplit2.length != 3) {
					System.out.println("Extractable items data: Error in line "
							+ lineCount + " -> wrong seperator!");
					System.out.println("		" + line);
					ok = false;
				}
				if (!ok)
					continue;
				int production = 0, amount = 0, chance = 0;
				try {
					production = Integer.parseInt(lineSplit2[0]);
					amount = Integer.parseInt(lineSplit2[1]);
					chance = Integer.parseInt(lineSplit2[2]);
				} catch (Exception e) {
					System.out
							.println("Extractable items data: Error in line "
									+ lineCount
									+ " -> incomplete/invalid production data or wrong seperator!");
					System.out.println("		" + line);
					ok = false;
				}
				if (!ok)
					continue;
				L2ExtractableProductItem product = new L2ExtractableProductItem(
						production, amount, chance);
				product_temp.add(product);
			}
			int fullChances = 0;
			for (L2ExtractableProductItem Pi : product_temp)
				fullChances += Pi.getChance();
			if (fullChances > 100) {
				System.out.println("Extractable items data: Error in line "
						+ lineCount
						+ " -> all chances together are more then 100!");
				System.out.println("		" + line);
				continue;
			}
			L2ExtractableItem product = new L2ExtractableItem(itemID,
					product_temp);
			_items.put(itemID, product);
		}
		s.close();
		System.out.println("Extractable items data: Loaded " + _items.size()
				+ " extractable items!");
	}

	public L2ExtractableItem getExtractableItem(int itemID) {
		return _items.get(itemID);
	}

	public int[] itemIDs() {
		int size = _items.size();
		int[] result = new int[size];
		int i = 0;
		for (L2ExtractableItem ei : _items.values()) {
			result[i] = ei.getItemId();
			i++;
		}
		return result;
	}
}
